#1
classify v. [
class, sort, assort, sort out, separate] arrange or order by classes or categories; "How would you classify these pottery shards--are they prehistoric?"
. wn #2
classify v. declare unavailable, as for security reasons; "Classify these documents"
. wn #3
classify v. [
relegate] assign to a class or kind; "How should algae be classified?"; "People argue about how to relegate certain mushrooms"
. wn